<template>
  <div class="login">
    <!-- <div class="left-img">

    </div> -->
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">{{sideTitle}}</h3>
      <el-form-item prop="username">
        <el-input v-model.trim="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
         :type="pwdType"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
<!--        <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="pwdType === 'password' ? 'eye' : 'eye-open'" />
        </span>-->
      </el-form-item>
      <el-form-item prop="code" v-if="captchaOnOff">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <!--<el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>-->
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%; margin-top: 30px;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
       <!-- <div style="float: right;">
         <router-link class="link-type" :to="'/IDCard-login'">刷身份证登录</router-link>
       </div> -->
       <!-- <div style="float: right;" v-if="register">
         <router-link class="link-type" :to="'/register'">立即注册</router-link>
       </div> -->
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span></span>
    </div> -->
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  computed: {
    sideTitle() {
        return process.env.VUE_APP_TITLE
    }
  },
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaOnOff: true,
      // 注册开关
      register: true,
       pwdType: "password",
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    showPwd() {
        if (this.pwdType === "password") {
            this.pwdType = "";
        } else {
            this.pwdType = "password";
        }
    },
    getCode() {
      getCodeImg().then(res => {
        this.captchaOnOff = res.captchaOnOff === undefined ? true : res.captchaOnOff;
        if (this.captchaOnOff) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.loginForm.rememberMe=false;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          const params = {
            username: this.loginForm.username,
            password: this.loginForm.password,
            code: this.loginForm.code,
            uuid: this.loginForm.uuid
          }
          this.$store.dispatch("Login", params).then((res) => {
            this.$router.push({ path: this.redirect || "/home" });
          }).catch((error) => {
            this.loading = false;
            if (this.captchaOnOff) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
$dark_gray: #889aa4;
.left-img{
   width: 618px;
   height: 525px;
   //background-image: url("../assets/images/login-background.png");
   background-image: url("../assets/images/login-background.jpg");
}

.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background-color: #446998;
 // background: url("../assets/images/login-background.jpg");
  background: url("../assets/images/login_bg.png");
  background-size: cover;

}
.title {
  margin: 10px auto 40px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  min-height: 420px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}

.login-container {
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: 0 0;
    background-color: #446998;
}
.nav {
    position: fixed;
    top: 0;
    left: 0;
    padding: 30px 0 0 60px;
}
  .show-pwd {
            position: absolute;
            right: 10px;
            top: 7px;
            font-size: 16px;
            color: $dark_gray;
            cursor: pointer;
            user-select: none;
        }
</style>
